weihu
3 years ago
parent
b5e06b906a
commit
f02428cd16
@ -1,41 +0,0 @@
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package com.tencent.cloud.polaris.config.config;
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import java.util.Set;
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import com.tencent.cloud.polaris.config.listener.ConfigChangeListener;
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/**
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*@author : wh
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*@date : 2022/7/10 23:10
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*@description:
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*/
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public class ConfigPropertySource extends EnumerablePropertySource<Config> {
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private static final String[] EMPTY_ARRAY = new String[0];
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ConfigPropertySource(String name, Config source) {
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super(name, source);
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}
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@Override
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public boolean containsProperty(String name) {
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return this.source.getProperty(name, null) != null;
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}
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@Override
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public String[] getPropertyNames() {
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Set<String> propertyNames = this.source.getPropertyNames();
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if (propertyNames.isEmpty()) {
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return EMPTY_ARRAY;
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}
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return propertyNames.toArray(new String[propertyNames.size()]);
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}
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@Override
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public Object getProperty(String name) {
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return this.source.getProperty(name, null);
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}
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public void addChangeListener(ConfigChangeListener listener) {
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this.source.addChangeListener(listener);
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}
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}
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@ -1,27 +0,0 @@
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package com.tencent.cloud.polaris.config.config;
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import java.util.List;
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import com.google.common.collect.Lists;
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/**
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*@author : wh
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*@date : 2022/7/10 23:10
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*@description:
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*/
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public class ConfigPropertySourceFactory {
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private final List<ConfigPropertySource> configPropertySources = Lists.newLinkedList();
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public ConfigPropertySource getConfigPropertySource(String name, Config source) {
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ConfigPropertySource configPropertySource = new ConfigPropertySource(name, source);
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configPropertySources.add(configPropertySource);
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return configPropertySource;
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}
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public List<ConfigPropertySource> getAllConfigPropertySources() {
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return Lists.newLinkedList(configPropertySources);
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}
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}
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@ -1,158 +0,0 @@
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package com.tencent.cloud.polaris.config.config;
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import java.util.Collection;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Set;
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import com.google.common.collect.ImmutableSortedSet;
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import com.google.common.collect.LinkedHashMultimap;
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import com.google.common.collect.Multimap;
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import com.google.common.collect.Sets;
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import com.tencent.cloud.polaris.config.listener.ConfigChangeListener;
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import org.springframework.beans.BeansException;
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import org.springframework.beans.factory.BeanFactory;
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import org.springframework.beans.factory.config.BeanFactoryPostProcessor;
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import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
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import org.springframework.context.ApplicationEventPublisher;
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import org.springframework.context.ApplicationEventPublisherAware;
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import org.springframework.context.EnvironmentAware;
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import org.springframework.core.Ordered;
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import org.springframework.core.PriorityOrdered;
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import org.springframework.core.env.CompositePropertySource;
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import org.springframework.core.env.ConfigurableEnvironment;
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import org.springframework.core.env.Environment;
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import org.springframework.core.env.MutablePropertySources;
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import org.springframework.core.env.PropertySource;
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import org.springframework.core.env.StandardEnvironment;
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/**
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*@author : wh
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*@date : 2022/7/10 23:09
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*@description:
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*/
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public class PropertySourcesProcessor implements BeanFactoryPostProcessor, EnvironmentAware,
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ApplicationEventPublisherAware, PriorityOrdered {
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private static final Multimap<Integer, String> NAMESPACE_NAMES = LinkedHashMultimap.create();
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private static final Set<BeanFactory> AUTO_UPDATE_INITIALIZED_BEAN_FACTORIES = Sets.newConcurrentHashSet();
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private final ConfigPropertySourceFactory configPropertySourceFactory = SpringInjector
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.getInstance(ConfigPropertySourceFactory.class);
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private ConfigUtil configUtil;
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private ConfigurableEnvironment environment;
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private ApplicationEventPublisher applicationEventPublisher;
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public static boolean addNamespaces(Collection<String> namespaces, int order) {
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return NAMESPACE_NAMES.putAll(order, namespaces);
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}
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@Override
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public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) throws BeansException {
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this.configUtil = ApolloInjector.getInstance(ConfigUtil.class);
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initializePropertySources();
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initializeAutoUpdatePropertiesFeature(beanFactory);
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}
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private void initializePropertySources() {
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if (environment.getPropertySources().contains(PropertySourcesConstants.APOLLO_PROPERTY_SOURCE_NAME)) {
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//already initialized
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return;
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}
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CompositePropertySource composite;
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if (configUtil.isPropertyNamesCacheEnabled()) {
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composite = new CachedCompositePropertySource(PropertySourcesConstants.APOLLO_PROPERTY_SOURCE_NAME);
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} else {
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composite = new CompositePropertySource(PropertySourcesConstants.APOLLO_PROPERTY_SOURCE_NAME);
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}
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//sort by order asc
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ImmutableSortedSet<Integer> orders = ImmutableSortedSet.copyOf(NAMESPACE_NAMES.keySet());
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Iterator<Integer> iterator = orders.iterator();
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while (iterator.hasNext()) {
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int order = iterator.next();
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for (String namespace : NAMESPACE_NAMES.get(order)) {
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Config config = ConfigService.getConfig(namespace);
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composite.addPropertySource(configPropertySourceFactory.getConfigPropertySource(namespace, config));
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}
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}
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// clean up
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NAMESPACE_NAMES.clear();
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// add after the bootstrap property source or to the first
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if (environment.getPropertySources()
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.contains(PropertySourcesConstants.APOLLO_BOOTSTRAP_PROPERTY_SOURCE_NAME)) {
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if (configUtil.isOverrideSystemProperties()) {
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// ensure ApolloBootstrapPropertySources is still the first
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ensureBootstrapPropertyPrecedence(environment);
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}
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environment.getPropertySources()
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.addAfter(PropertySourcesConstants.APOLLO_BOOTSTRAP_PROPERTY_SOURCE_NAME, composite);
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} else {
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if (!configUtil.isOverrideSystemProperties()) {
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if (environment.getPropertySources().contains(StandardEnvironment.SYSTEM_ENVIRONMENT_PROPERTY_SOURCE_NAME)) {
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environment.getPropertySources().addAfter(StandardEnvironment.SYSTEM_ENVIRONMENT_PROPERTY_SOURCE_NAME, composite);
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return;
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}
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}
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environment.getPropertySources().addFirst(composite);
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}
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}
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private void ensureBootstrapPropertyPrecedence(ConfigurableEnvironment environment) {
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MutablePropertySources propertySources = environment.getPropertySources();
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PropertySource<?> bootstrapPropertySource = propertySources
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.get(PropertySourcesConstants.APOLLO_BOOTSTRAP_PROPERTY_SOURCE_NAME);
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// not exists or already in the first place
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if (bootstrapPropertySource == null || propertySources.precedenceOf(bootstrapPropertySource) == 0) {
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return;
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}
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propertySources.remove(PropertySourcesConstants.APOLLO_BOOTSTRAP_PROPERTY_SOURCE_NAME);
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propertySources.addFirst(bootstrapPropertySource);
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}
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private void initializeAutoUpdatePropertiesFeature(ConfigurableListableBeanFactory beanFactory) {
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if (!AUTO_UPDATE_INITIALIZED_BEAN_FACTORIES.add(beanFactory)) {
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return;
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}
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ConfigChangeListener configChangeEventPublisher = changeEvent ->
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applicationEventPublisher.publishEvent(new ApolloConfigChangeEvent(changeEvent));
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List<ConfigPropertySource> configPropertySources = configPropertySourceFactory.getAllConfigPropertySources();
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for (ConfigPropertySource configPropertySource : configPropertySources) {
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configPropertySource.addChangeListener(configChangeEventPublisher);
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}
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}
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@Override
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public void setEnvironment(Environment environment) {
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//it is safe enough to cast as all known environment is derived from ConfigurableEnvironment
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this.environment = (ConfigurableEnvironment) environment;
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}
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@Override
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public int getOrder() {
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//make it as early as possible
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return Ordered.HIGHEST_PRECEDENCE;
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}
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// for test only
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static void reset() {
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NAMESPACE_NAMES.clear();
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AUTO_UPDATE_INITIALIZED_BEAN_FACTORIES.clear();
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}
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@Override
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public void setApplicationEventPublisher(ApplicationEventPublisher applicationEventPublisher) {
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this.applicationEventPublisher = applicationEventPublisher;
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}
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}
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@ -1,223 +0,0 @@
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/*
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package com.tencent.cloud.polaris.config.spring.annotation;
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import java.lang.reflect.Field;
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import java.lang.reflect.Method;
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import java.lang.reflect.Type;
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import java.util.Set;
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import com.google.common.base.Preconditions;
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import com.google.common.collect.Sets;
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import com.google.gson.Gson;
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import com.tencent.cloud.polaris.config.listener.ConfigChangeEvent;
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import com.tencent.cloud.polaris.config.listener.ConfigChangeListener;
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import com.tencent.cloud.polaris.config.spring.property.PlaceholderHelper;
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import com.tencent.cloud.polaris.config.spring.property.SpringValue;
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import com.tencent.cloud.polaris.config.spring.property.SpringValueRegistry;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.BeansException;
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import org.springframework.beans.factory.BeanFactory;
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import org.springframework.beans.factory.BeanFactoryAware;
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import org.springframework.beans.factory.config.ConfigurableBeanFactory;
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import org.springframework.context.EnvironmentAware;
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import org.springframework.core.annotation.AnnotationUtils;
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import org.springframework.core.env.Environment;
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import org.springframework.util.ReflectionUtils;
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*/
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/**
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*@author : wh
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*@date : 2022/7/10 14:38
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*@description:
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*//*
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public class PolarisAnnotationProcessor extends PolarisProcessor implements BeanFactoryAware,
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EnvironmentAware {
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private static final Logger logger = LoggerFactory.getLogger(PolarisAnnotationProcessor.class);
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private static final Gson GSON = new Gson();
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private final ConfigUtil configUtil;
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private final PlaceholderHelper placeholderHelper;
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private final SpringValueRegistry springValueRegistry;
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*/
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/**
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* resolve the expression.
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*//*
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private ConfigurableBeanFactory configurableBeanFactory;
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private Environment environment;
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public PolarisAnnotationProcessor(PlaceholderHelper placeholderHelper,
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SpringValueRegistry springValueRegistry) {
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configUtil = ApolloInjector.getInstance(ConfigUtil.class);
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this.placeholderHelper = placeholderHelper;
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this.springValueRegistry = springValueRegistry;
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}
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@Override
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protected void processField(Object bean, String beanName, Field field) {
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this.processApolloConfig(bean, field);
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this.processApolloJsonValue(bean, beanName, field);
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}
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@Override
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protected void processMethod(final Object bean, String beanName, final Method method) {
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this.processApolloConfigChangeListener(bean, method);
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this.processApolloJsonValue(bean, beanName, method);
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}
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private void processApolloConfig(Object bean, Field field) {
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ApolloConfig annotation = AnnotationUtils.getAnnotation(field, ApolloConfig.class);
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if (annotation == null) {
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return;
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}
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Preconditions.checkArgument(Config.class.isAssignableFrom(field.getType()),
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"Invalid type: %s for field: %s, should be Config", field.getType(), field);
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final String namespace = annotation.value();
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final String resolvedNamespace = this.environment.resolveRequiredPlaceholders(namespace);
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Config config = ConfigService.getConfig(resolvedNamespace);
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ReflectionUtils.makeAccessible(field);
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ReflectionUtils.setField(field, bean, config);
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}
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private void processApolloConfigChangeListener(final Object bean, final Method method) {
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ApolloConfigChangeListener annotation = AnnotationUtils
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.findAnnotation(method, ApolloConfigChangeListener.class);
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if (annotation == null) {
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return;
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}
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Class<?>[] parameterTypes = method.getParameterTypes();
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Preconditions.checkArgument(parameterTypes.length == 1,
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"Invalid number of parameters: %s for method: %s, should be 1", parameterTypes.length,
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method);
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Preconditions.checkArgument(ConfigChangeEvent.class.isAssignableFrom(parameterTypes[0]),
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"Invalid parameter type: %s for method: %s, should be ConfigChangeEvent", parameterTypes[0],
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method);
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ReflectionUtils.makeAccessible(method);
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String[] namespaces = annotation.value();
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String[] annotatedInterestedKeys = annotation.interestedKeys();
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String[] annotatedInterestedKeyPrefixes = annotation.interestedKeyPrefixes();
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ConfigChangeListener configChangeListener = new ConfigChangeListener() {
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@Override
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public void onChange(ConfigChangeEvent changeEvent) {
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ReflectionUtils.invokeMethod(method, bean, changeEvent);
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}
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};
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Set<String> interestedKeys =
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annotatedInterestedKeys.length > 0 ? Sets.newHashSet(annotatedInterestedKeys) : null;
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Set<String> interestedKeyPrefixes =
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annotatedInterestedKeyPrefixes.length > 0 ? Sets.newHashSet(annotatedInterestedKeyPrefixes)
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: null;
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for (String namespace : namespaces) {
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final String resolvedNamespace = this.environment.resolveRequiredPlaceholders(namespace);
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Config config = ConfigService.getConfig(resolvedNamespace);
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if (interestedKeys == null && interestedKeyPrefixes == null) {
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config.addChangeListener(configChangeListener);
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}
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else {
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config.addChangeListener(configChangeListener, interestedKeys, interestedKeyPrefixes);
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}
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}
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}
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private void processApolloJsonValue(Object bean, String beanName, Field field) {
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ApolloJsonValue apolloJsonValue = AnnotationUtils.getAnnotation(field, ApolloJsonValue.class);
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if (apolloJsonValue == null) {
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return;
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}
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String placeholder = apolloJsonValue.value();
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Object propertyValue = placeholderHelper
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.resolvePropertyValue(this.configurableBeanFactory, beanName, placeholder);
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// propertyValue will never be null, as @ApolloJsonValue will not allow that
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if (!(propertyValue instanceof String)) {
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return;
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}
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boolean accessible = field.isAccessible();
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field.setAccessible(true);
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ReflectionUtils
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.setField(field, bean, parseJsonValue((String) propertyValue, field.getGenericType()));
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field.setAccessible(accessible);
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if (configUtil.isAutoUpdateInjectedSpringPropertiesEnabled()) {
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Set<String> keys = placeholderHelper.extractPlaceholderKeys(placeholder);
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for (String key : keys) {
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SpringValue springValue = new SpringValue(key, placeholder, bean, beanName, field, true);
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springValueRegistry.register(this.configurableBeanFactory, key, springValue);
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logger.debug("Monitoring {}", springValue);
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}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
private void processApolloJsonValue(Object bean, String beanName, Method method) {
|
|
||||||
ApolloJsonValue apolloJsonValue = AnnotationUtils.getAnnotation(method, ApolloJsonValue.class);
|
|
||||||
if (apolloJsonValue == null) {
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
String placeHolder = apolloJsonValue.value();
|
|
||||||
|
|
||||||
Object propertyValue = placeholderHelper
|
|
||||||
.resolvePropertyValue(this.configurableBeanFactory, beanName, placeHolder);
|
|
||||||
|
|
||||||
// propertyValue will never be null, as @ApolloJsonValue will not allow that
|
|
||||||
if (!(propertyValue instanceof String)) {
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
Type[] types = method.getGenericParameterTypes();
|
|
||||||
Preconditions.checkArgument(types.length == 1,
|
|
||||||
"Ignore @Value setter {}.{}, expecting 1 parameter, actual {} parameters",
|
|
||||||
bean.getClass().getName(), method.getName(), method.getParameterTypes().length);
|
|
||||||
|
|
||||||
boolean accessible = method.isAccessible();
|
|
||||||
method.setAccessible(true);
|
|
||||||
ReflectionUtils.invokeMethod(method, bean, parseJsonValue((String) propertyValue, types[0]));
|
|
||||||
method.setAccessible(accessible);
|
|
||||||
|
|
||||||
if (configUtil.isAutoUpdateInjectedSpringPropertiesEnabled()) {
|
|
||||||
Set<String> keys = placeholderHelper.extractPlaceholderKeys(placeHolder);
|
|
||||||
for (String key : keys) {
|
|
||||||
SpringValue springValue = new SpringValue(key, apolloJsonValue.value(), bean, beanName,
|
|
||||||
method, true);
|
|
||||||
springValueRegistry.register(this.configurableBeanFactory, key, springValue);
|
|
||||||
logger.debug("Monitoring {}", springValue);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
private Object parseJsonValue(String json, Type targetType) {
|
|
||||||
try {
|
|
||||||
return GSON.fromJson(json, targetType);
|
|
||||||
}
|
|
||||||
catch (Throwable ex) {
|
|
||||||
logger.error("Parsing json '{}' to type {} failed!", json, targetType, ex);
|
|
||||||
throw ex;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public void setBeanFactory(BeanFactory beanFactory) throws BeansException {
|
|
||||||
this.configurableBeanFactory = (ConfigurableBeanFactory) beanFactory;
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public void setEnvironment(Environment environment) {
|
|
||||||
this.environment = environment;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
*/
|
|
||||||
@ -1,13 +0,0 @@
|
|||||||
/*
|
|
||||||
package com.tencent.cloud.polaris.config.spring.annotation;
|
|
||||||
|
|
||||||
*/
|
|
||||||
/**
|
|
||||||
*@author : wh
|
|
||||||
*@date : 2022/7/10 14:38
|
|
||||||
*@description:
|
|
||||||
*//*
|
|
||||||
|
|
||||||
public class PolarisConfig {
|
|
||||||
}
|
|
||||||
*/
|
|
||||||
Loading…
Reference in new issue